def __init__(self,
signal_type=None,
enable_scope=False,
freq_resolution=4096,
time_length=2048,
window_type=windows.WIN_BLACKMAN_HARRIS,
frame_rate=30.0,
input_center_freq=0.0,
paused=False,
context=None):
assert isinstance(signal_type, SignalType)
assert context is not None
itemsize = signal_type.get_itemsize()
gr.hier_block2.__init__(
self,
type(self).__name__,
gr.io_signature(1, 1, itemsize),
gr.io_signature(0, 0, 0),
)
# constant parameters
self.__power_offset = 40 # TODO autoset or controllable
self.__itemsize = itemsize
self.__context = context
self.__enable_scope = enable_scope
# settable parameters
self.__signal_type = signal_type
self.__freq_resolution = int(freq_resolution)
self.__time_length = int(time_length)
self.__window_type = _window_type_enum(window_type)
self.__frame_rate = float(frame_rate)
self.__input_center_freq = float(input_center_freq)
self.__paused = bool(paused)
# interest tracking
# this is indirect because we ignore interest when paused
self.__interested_cell = LooseCell(type=bool,
value=False,
writable=False,
persists=False)
self.__has_subscriptions = False
self.__interest = InterestTracker(self.__cell_interest_callback)
self.__fft_queue = gr.msg_queue()
self.__scope_queue = gr.msg_queue()
# stuff created by __do_connect
self.__gate = None
self.__fft_sink = None
self.__scope_sink = None
self.__frame_dec = None
self.__frame_rate_to_decimation_conversion = 0.0
self.__do_connect()
def __init__(self):
InterestTracker.__init__(self, self.__set)
def __init__(self):
InterestTracker.__init__(self, self.__set)